Some novel results concerning adaptive space-time-frequency coding schemes for MIMO OFDM systems are illustrated. In the proposed concatenated schemes, a conventional convolutional encoder is followed by a bit-wise interleaver and an inner orthogonal space-time encoder in order to exploit the space/frequency diversity provided by the frequency selective MIMO channel. Adaptivity can be implemented by adjusting the constellation size on a subcarrier by subcarrier basis by means of standard bit/energy-loading algorithms for SISO channels. An extension of the transmit selection diversity (TSD) technique for the two transmit/receive antenna scenario is also considered as an alternative to the inner ST code.

A comparison of inner coding options for adaptive MIMO OFDM systems / Gallo, Antonio Stanislao; Bizzarri, Emanuele; Vitetta, Giorgio Matteo; Marciniak, M.. - STAMPA. - 2:(2003), pp. 141-144. ((Intervento presentato al convegno 5th International Conference on Transparent Optical Networks tenutosi a Warsaw, Poland nel 29 June-3 July, 2003.

A comparison of inner coding options for adaptive MIMO OFDM systems

GALLO, Antonio Stanislao;BIZZARRI, Emanuele;VITETTA, Giorgio Matteo;
2003

Abstract

Some novel results concerning adaptive space-time-frequency coding schemes for MIMO OFDM systems are illustrated. In the proposed concatenated schemes, a conventional convolutional encoder is followed by a bit-wise interleaver and an inner orthogonal space-time encoder in order to exploit the space/frequency diversity provided by the frequency selective MIMO channel. Adaptivity can be implemented by adjusting the constellation size on a subcarrier by subcarrier basis by means of standard bit/energy-loading algorithms for SISO channels. An extension of the transmit selection diversity (TSD) technique for the two transmit/receive antenna scenario is also considered as an alternative to the inner ST code.
5th International Conference on Transparent Optical Networks
Warsaw, Poland
29 June-3 July, 2003
2
141
144
Gallo, Antonio Stanislao; Bizzarri, Emanuele; Vitetta, Giorgio Matteo; Marciniak, M.
A comparison of inner coding options for adaptive MIMO OFDM systems / Gallo, Antonio Stanislao; Bizzarri, Emanuele; Vitetta, Giorgio Matteo; Marciniak, M.. - STAMPA. - 2:(2003), pp. 141-144. ((Intervento presentato al convegno 5th International Conference on Transparent Optical Networks tenutosi a Warsaw, Poland nel 29 June-3 July, 2003.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11380/467063
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